问题
填空题
省略乘号时，a×b=______，y×y=______，（a+b）×（7+8）=______．
答案
a×b=ab；
y×y=y2；
（a+b）×（7+8）=（a+b）×15=15（a+b）．
故答案为：ab，y2，15（a+b）．
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省略乘号时，a×b=______，y×y=______，（a+b）×（7+8）=______．
a×b=ab；
y×y=y2；
（a+b）×（7+8）=（a+b）×15=15（a+b）．
故答案为：ab，y2，15（a+b）．
| 完形填空。 | ||||
| Tim put two baskets of apples 1 his donkey (驴) and went to sell them. At noon it was very hot, he stopped 2 a big tree. There were some other men 3 , and all of them had donkeys and baskets of apples, 4 . After their lunch 5 went to sleep. After some time, Tim began 6 apples out of the other men's baskets and put them in his. Just at that time one of them woke up and 7 him."What are you doing?" he said angrily (生气地). "Oh," said Tim, "don't worry about me. I am half mad (疯), and I do a lot of strange (奇怪的) things sometimes." "Oh, really?" said the other man."Then why don't you sometimes take apples out of 8 baskets and put them in someone else's baskets?" "You 9 understand (理解) me," said Tim, "I said I was in 10 mad, not quite mad." | ||||
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